package com.qf.util;

/**
 * @author Wy
 * @version V1.0
 * @Project day41-3
 * @Package com.qf.util
 * @Description:
 * @Date 2022/5/14 18:41
 */
public class MyUtil {
    private MyUtil(){}


    public static boolean isEmpty(String str) {
        return str== null || str.length() ==0;
    }


}
